senator dianne feinstein introduced a tough bill to ban assault weapons this week and even she said it will be a tough uphill battle and there is still fierce opposition in such a ban in congress and throughout the country, the nra has talked about that, as well. on friday, vice president biden kicked off the public campaign to rally public support for the stever gun me stiffer gun measures and senator tim cain. here's what the vice president had to say on friday. take a listen. >> it's a consequence of what happen happened. [ inaudible ] >> reporter: the group called organizing for action, craig, which is essentially the relaunched branch of the obama campaign is also helping out in this effort. they are sending out emails and trying to rally support at the grassroots level for stiffer gun legislation and this continues to be an incredibly divisive issue and new legislation will be tough to get through both chambers of congress. >> kristen welker at the white house, thank you so much. we'll check back with you later in the show. >>> joining me now, christina ballantoni and the congres